Chapter 1. UI Essentials
In this chapter, we will cover the following recipes:
- Setting up a 2D texture to be a bordered sprite
 - Resizing the UI according to screen size and resolution
 - Adding and placing an image in the UI
 - Adding a circular mask to an image
 - Making an image scrollable
 - Making text scrollable with a vertical slider
 - Selecting buttons through the keyboard
 - Using UI layout components